(0 20 17)(1 21 3)(2 7 4)(5 18 14 11 10 8 6)(9 15 12)(13 19 16)
ALLOWS (11/8)-SEQUENCE
1: (0 7 17)
(0)(1 21 3)(2 7 20 17 4)(5 18 14 11 10 8 6)(9 15 12)(13 19 16)
2: (5 18 14)
(0)(1 21 3)(2 7 20 17 4)(5 11 10 8 6)(9 15 12)(13 19 16)(14)(18)
3: (4 20 17)
(0)(1 21 3)(2 7 20)(4)(5 11 10 8 6)(9 15 12)(13 19 16)(14)(17)(18)
4: (13 19 16)
(0)(1 21 3)(2 7 20)(4)(5 11 10 8 6)(9 15 12)(13)(14)(16)(17)(18)(19)